Carrie Underwood

The stage production famous for flying, ever-young children could lift the live TV musical genre and open the door for a new generation of actors in NBC's Dec. 4 live presentation, starring Allison Williams and Christopher Walken.

“Although we always see all the agent kids and all the submitted kids, every time we do open calls it’s a great way for us to find fresh, exciting young talent who just happen to not have an agent,” said the project’s casting director, Bernard Telsey.